Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 91
DME 7.8 DME 7.8 0 · Bit 0 TWC
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DME 7.8 DME 7.8 0
Bit 0 TWC
Bit 1 TWC heating
Bit 2 Fuel tank ventilation
Bit 3 Secondary air system
Bit 4 A/C system
Bit 5 Oxygen sensor
Bit 6 Oxygen sensor heating
Bit 7 Exhaust gas circulation
0 - Sub-system not available.
1 - Sub-system available.
Data D
0 1 1 0 1 1 0 1
7 6 5 4 3 2 1 0 Bit
In data byte D, the readiness codes of the sub-systems from data
byte C are displayed.
Bits 0 to 7
0 - Sub-system check completed or sub-system not installed.
1 - Sub-system check not yet complete.
Note!
♦After the fault memory has been erased, the bits of the installed
sub-systems are set to 1.
♦The bits are reset to 0:
♦in the case of a fault-free check after 1 driving cycle
♦in the case of a detected fault after 2 driving cycles
$03 Status of injection system
Data A: 0000 0010
B: 0000 0010
Data A - Status for bank 1
Data B - Status for bank 2
Data output with a scan tool - 911 Carrera (996) 0-3.1 page 5
Printed in Germany – 8, 2002 dsc_FL78
This is a source reference. Confirm exact model applicability in the original material.
